<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

</body>
<script>
    //生成器函数
    function* gen() {
        // console .1og(111);
        yield '一只没有耳朵';
        // console . log(222);
        yield '一只没有尾部';
        // console.1og(333);
        yield '真奇怪';
        // console . log(444);
    }
    let iterator = gen();
    console.log(iterator.next());
    console.log(iterator.next());
    console.log(iterator.next());
    console.log(iterator.next());

</script>

</html>